class Gem::Resolver::LockSpecification

# File lib/rubygems/resolver/lock_specification.rb, line 12
def initialize(set, name, version, sources, platform)
  super()

  @name     = name
  @platform = platform
  @set      = set
  @source   = sources.first
  @sources  = sources
  @version  = version

  @dependencies = []
  @spec         = nil
end

# File lib/rubygems/resolver/lock_specification.rb, line 30
def install(options = {})
  destination = options[:install_dir] || Gem.dir

  installed = Gem::SpecificationRecord.dirs_from([destination]).any? do |spec_dir|
    File.exist? File.join(spec_dir, spec.spec_name)
  end

  if installed
    yield nil
    return
  end

  super
end

# File lib/rubygems/resolver/lock_specification.rb, line 77
def spec
  @spec ||= Gem::Specification.find do |spec|
    spec.name == @name && spec.version == @version
  end

  @spec ||= Gem::Specification.new do |s|
    s.name     = @name
    s.version  = @version
    s.platform = @platform

    s.dependencies.concat @dependencies
  end
end